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    <title>HTML属性</title>
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    <a href="https://docs.geeksman.com">这是一个超链接</a>
    <br><!--换行-->
    <a href="https://docs.geeksman.com" target="_blank">这是第二个超链接</a>
    <hr><!--水平线-->
    <img src="丹恒.jpg" alt="丹恒老师" width="500">

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